\documentclass{standalone}
\usepackage{tikz}
\usepackage{ctex,siunitx}
\setCJKmainfont{Noto Serif CJK SC}
\usepackage{tkz-euclide}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{circuitikz}
\usetikzlibrary{patterns, calc}
\usetikzlibrary {decorations.pathmorphing, decorations.pathreplacing, decorations.shapes,}
\ctikzset{bipoles/length=1cm}
\begin{document}
\small
\begin{circuitikz}[>=latex, scale=1.0,european]
  % \useasboundingbox(0.9,0)rectangle(5.1,5);
  \draw(0,0)--(3,0);
  \draw (3,0) to[C] (3, 2.5);
  \draw (0,2.5) to [battery] (0,0);
  \draw(0,2.5)--(3,2.5); 
   \node at (0.75, 1.25){$60 \; \rm{V}$};
  \node at (3.5, 1){$B$};
  \node at (3.5, 1.5){$A$};
  \node at (2.6, .9){$-Q$};
  \node at (2.6, 1.6){$+Q$}; 
\end{circuitikz}
\end{document}